TwinTurbo.NET: Nissan 300ZX forum - Ignition timing issues
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Subject Ignition timing issues
     
Posted by Goldchocobo on June 08, 2015 at 4:11 PM
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Message 91 TT auto.

Last year, after performing the timing belt service, I set my ignition timing to 15btc. The CAS was positioned at around the middle area of the cas track. At this time, I also had a bad det sensor, code 34, safety boost, etc.

Since then, I've replaced the det sensor, get code 55, and rechecked ignition timing. To my horror ignition timing was sitting at 25btc - 30btc.

During this time, my shift lock had stopped working - I'm not sure if this is related, but I thought I would mention anyway as it may be related to the neutral safety switch (which can affect ignition timing).

Anyway, after adjusting the CAS to 15btc, it's turned almost fully clockwise. I find this abnormal.

Car feels a bit weak at launch (can't spin the tires on a dry day), and turbos seem to take longer to spool up.

Any ideas?

     
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